espressif/esp-nimble
1
0
Fork 0
mirror of https://github.com/espressif/esp-nimble.git synced 2026-10-07 15:17:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

mesh: Fix friend node cache message

Browse Source 
Friend node cache segment message for lpn, message with
sequence number can't change, since could cause lpn replay
attack.

This is port of 325288d531678bfecca68869332e06ed59856efb
This commit is contained in:
Krzysztof Kopyściński
2021-01-12 14:05:19 +01:00
committed by Łukasz Rymanowski
parent f92996b025
commit ce8c300ac4
1 changed files with 1 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
nimble/host/mesh/src/transport.c
+1 -4
View File
@@ -723,7 +723,7 @@ static int sdu_recv(struct bt_mesh_net_rx *rx, uint8_t hdr, uint8_t aszmic,
.aszmic = aszmic,
.src = rx->ctx.addr,
.dst = rx->ctx.recv_dst,
.seq_num = rx->seq,
.seq_num = seg ? (seg->seq_auth & 0xffffff) : rx->seq,
.iv_index = BT_MESH_NET_IVI_RX(rx),
},
.buf = buf,
@@ -1447,9 +1447,6 @@ found_rx:
send_ack(net_rx->sub, net_rx->ctx.recv_dst, net_rx->ctx.addr,
net_rx->ctx.send_ttl, seq_auth, rx->block, rx->obo);
/* Decrypt with seqAuth */
net_rx->seq = (rx->seq_auth & 0xffffff);
if (net_rx->ctl) {
struct os_mbuf *sdu = NET_BUF_SIMPLE(BT_MESH_RX_CTL_MAX);
seg_rx_assemble(rx, sdu, 0U);